[R] [FORGED] Logical Operators' inconsistent Behavior

Rolf Turner r.turner at auckland.ac.nz
Fri May 19 14:13:56 CEST 2017


On 20/05/17 00:01, Jérémie Juste wrote:
> Hello,
>
> Rolf said,
>
> TRUE & FALSE is FALSE but TRUE & TRUE is TRUE, so TRUE & NA could be
> either TRUE or FALSE and consequently is NA.
>
> OTOH FALSE & (anything) is FALSE so FALSE & NA is FALSE.
>
>
> According to this logic why is
>
>     FALSE & NA
>
> [1] FALSE

Huh????

cheers,

Rolf Turner

-- 
Technical Editor ANZJS
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276



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